Hi my friends my Postfix send email but it's not received, when i check my mail for sent mail in gmail i don't see the massage and also massage not arrive to the patron, every things i don't good and i before installing koha in ubuntu and postfix gmail sending email working good and when i check log mail this massages in log file: Nov 6 11:32:25 koha nullmailer[29728]: Rescanning queue. Nov 6 12:00:01 koha nullmailer[29728]: Trigger pulled. Nov 6 12:00:01 koha nullmailer[29728]: Rescanning queue. Nov 6 12:00:01 koha nullmailer[29728]: Starting delivery: protocol: smtp host: mail.google.com file: 1478426401.4145 Nov 6 12:00:01 koha nullmailer[29728]: Starting delivery, 1 message(s) in queue. so i want to use postfix not nullmailer Ahmad Nasser koha system administrator Egypt - future university in Egypt -- View this message in context: http://koha.1045719.n5.nabble.com/How-Change-nullmailer-to-postfix-tp5910502... Sent from the Koha-general mailing list archive at Nabble.com.